What is oxidation number of S in SO_3^ 2- ?

MHT CET 2024 Chemistry question

What is oxidation number of S in ?

(A)-2
(B)-3
(C)+4Correct
(D)+6

Answer: (C)

Solution

The sum of oxidation numbers of all atoms in an ion equals its charge. Let the oxidation number of S be and that of O be : . Hence (C). Option (D) +6 is the oxidation state of S in sulphate

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Question ID VK-096828